Tag Archives: cdc
Dept. of Homeland Security Warns of Impending Zombie Apocalypse
If there’s one thing Americans love, it’s the zombie apocalypse. I don’t know why, really. Although some people think that it would be cool to blow the heads off the undead and attempt to survive in a brutal post-apocalyptic landscape, most people would get their fat asses either gnawed on by zombies or shot by a survivalist looking for supplies. The harsh reality is that most people wouldn’t survive the zombie apocalypse, but we can keep dreaming that we’re the exception – we’re all Rick from The Walking Dead.
This month is National Preparedness Month, and the Department of Homeland Security is capitalizing on the never-ending zombie craze to make people start thinking about what they would do in the event of a disaster.
According to the AP, DHS is urging citizens to prepare for the zombie apocalypse. “The Zombies are coming!” they say.
Except they’re not. At least not right now. DHS’s message is that if you’re prepared for a zombie attack, you’ll likely be prepared for a hurricane, pandemic, earthquake, or terrorist attack. That’s because all of those events have something in common – the need for shelter, food, water, etc. DHS wants emergency planners across the country to use the “zombie attack” trope to get people into the disaster preparedness mindset.
Of course, this isn’t the first time that a government organization has mentioned the z word to citizens. Last year, the Centers for Disease Control actually acknowledged zombies and released their own zombie preparedness guide.
Here’s what the CDC says would happen, on a governmental response level:
If zombies did start roaming the streets, CDC would conduct an investigation much like any other disease outbreak. CDC would provide technical assistance to cities, states, or international partners dealing with a zombie infestation. This assistance might include consultation, lab testing and analysis, patient management and care, tracking of contacts, and infection control (including isolation and quarantine).
It’s likely that an investigation of this scenario would seek to accomplish several goals: determine the cause of the illness, the source of the infection/virus/toxin, learn how it is transmitted and how readily it is spread, how to break the cycle of transmission and thus prevent further cases, and how patients can best be treated. Not only would scientists be working to identify the cause and cure of the zombie outbreak, but CDC and other federal agencies would send medical teams and first responders to help those in affected areas (I will be volunteering the young nameless disease detectives for the field work).
Even though the CDC clearly has a plan, they officially denied the known existence of zombies after a rash of cannibalism stories hit the news earlier this year.
If you have the money and truly wish to prepare for the zombie apocalypse, you can’t go wrong with this kit for the 1%.
ZOMBIE PREPPERS – Using zombies to teach science and medicine
With my colleague Greg Tinkler, I spent an afternoon last week at a local public library talking to kids about zombies:
The Zombie Apocalypse is coming. Will you be ready? University of Iowa epidemiologist Dr. Tara Smith will talk about how a zombie virus might spread and how you can prepare. Get a list of emergency supplies to go home and build your own zombie kit, just in case. Find out what to do when the zombies come from neuroscientist Dr. Greg Tinkler. As a last resort, if you can’t beat them, join them. Disguise yourself as a zombie and chow down on brrraaaaiiins, then go home and freak out your parents.
Why zombies? Obviously they’re a hot topic right now, particularly with the ascendance of The Walking Dead. They’re all over ComicCon. There are many different versions so the “rules” regarding zombies are flexible, and they can be used to teach all different kinds of scientific concepts–and more importantly, to teach kids how to *think* about translating some of this knowledge into practice (avoiding a zombie pandemic, surviving one, etc.) We ended up with about 30 people there: about 25 kids (using the term loosely, they ranged in age from maybe age 10 to 18 or so) and a smattering of adults. I covered the basics of disease transmission, then discussed how it applied to a potential “zombie germ,” while Greg explained how understanding the neurobiology of zombies can aid in fleeing from or killing them. The kids were involved, asked great questions, and even taught both of us a thing or two (and gave us additional zombie book recommendations!)
For infectious diseases, there are all kinds of literature-backed scenarios that can get kids discussing germs and epidemiology. People can die and reanimate as zombies, or they can just turn into infected “rage monsters” who try to eat you without actually dying first. They can have an extensive incubation period, or they can zombify almost immediately. Each situation calls for different types of responses–while the “living” zombies may be able to be killed in a number of different ways, for example, reanimated zombies typically can only be stopped by destroying the brains. Discussing these situations allows the kids to use critical thinking skills, to plan attacks and think through choice of weapons, escape routes and vehicles, and consider what they might need in a survival kit.
Likewise, zombie microbes can be spread through biting, through blood, through the air, by fomites or water, even by mosquitoes in some books. Agents can be viral, bacterial, fungal, prions or parasitic insect larvae (or combinations of those). Mulling on these different types of transmission issues and asking simple questions:
“How would you protect yourself if infection was spread through the air versus only spread by biting?”
“How well would isolation of infected people work if the incubation period is very long versus very short?”
“Why might you want to thoroughly wash your zombie-killing arrows before using them to kill squirrels, which you will then eat?” (ahem, Daryl)
can open up avenues of discussion into scientific issues that the kids don’t even realize they’re talking about (pandemic preparedness, for one). And the great thing is that these kids are *already experts* on the subject matter. They don’t have to learn about the epidemiology of a particular microbe to understand disease transmission and prevention, because they already know more than most of the adults do on the epidemiology of zombie diseases–the key is to get them to use that knowledge and broaden their thinking into various “what if” situations that they’re able to talk out and put pieces together.
It can be scary going to talk to kids. Since this was a new program, we didn’t know if anyone would even show up, or how it would go over. Greg brought a watermelon for some weapons demonstrations (household tools only–a screwdriver, hammer and a crowbar, no guns or Samurai swords) which was a big hit. Still, I realize many scientists are more comfortable talking with their peers than with 13-year-olds. Talking about something a bit ridiculous, like an impending zombie apocalypse, can lessen anxiety because it takes quite a lot of effort to be boring with that type of subject matter; it’s entertaining; and kids will listen. And after all, what you don’t know, might eat you.
PANDEMIC – Mystery illness in Cambodia solved, doctors say
Phnom Penh, Cambodia (CNN) — The cause of a mysterious illness that has claimed the lives of more than 60 Cambodian children has been determined, medical doctors familiar with the investigation told CNN on Wednesday.
A combination of pathogens, disease-causing micro-organisms, is to blame for the illness, the World Health Organization, in conjunction with the Cambodian Ministry of Health, has concluded, the doctors said.
The pathogens include enterovirus 71, which is known to cause neurological disease; streptococcus suis, which can cause infections like bacterial meningitis in people who have close contact with pigs or with pork products; and dengue, which is transmitted by mosquitoes.
The inappropriate use of steroids, which can suppress the immune system, worsened the illness in a majority of the patients, the doctors said. The World Health Organization (WHO) is expected to advise health care workers to refrain from using steroids in patients with signs and symptoms of the infection, which include severe fever, encephalitis and breathing difficulties.
While not all the microorganisms were present in each patient, doctors concluded the illness was caused by a combination of them and worsened by steroid use.
The WHO sources did not want to be identified because the results of the health organization’s investigation have not yet been made public.
“I’m very confident for the reason of the epidemic,” said Dr. Phillipe Buchy, chief of virology at the Institut Pasteur in Cambodia and one of the doctors who cracked the case.
“The first thing that goes through your mind is, is this one of the usual suspects you haven’t detected before?” said Dr. Arnaud Tarantola, chief of epidemiology and public health at the Institut Pasteur. “If it is, has it mutated, or changed in a way that it causes more severe disease? Or is it something completely new?”
On the steroids issue, Tarantola said, “When you have a dying child, you try to use what you have at hand, and they were right to try that.” But, he acknowledged, “from the cases we reviewed, almost all of the children died, and almost all of them had steroids.”
Parents face anxious wait over mystery illness
“I think we can close the case and move ahead asking different questions,” Buchy said. “Not what is the illness, but now, how long has the virus been circulating? What is the extent of the circulation of the virus? How many mild diseases are we missing? That’s the next step.”
Over the past four months, doctors at Kantha Bopha Children’s Hospitals in Phnom Penh have been faced with the mysterious syndrome, which kills children so fast that nearly all of those infected with it die within a day or two of being admitted to the hospital.
Dr. Beat Richner, head of the children’s hospitals — which cared for 66 patients affected by the illness, 64 of whom died — said that no new cases of the illness had been confirmed since Saturday.
Other hospitals in the country have reported similar cases, but far fewer than the children’s hospitals in the capital, which are the most popular.
In the last hours of their life, the children experienced a “total destruction of the alveola(e) in the lungs,” Richner said. Alveolae are the air sacs where oxygen enters the bloodstream.
Most of the children who have contracted the illness have come from the south of the country, though health officials cannot find what is known as a cluster — a lot of cases coming from one specific area.
By June 29, the WHO had been contacted and Cambodian officials were scrambling to instruct health providers across the country to spread information about the illness as quickly as possible.
Officials search for clues in disease killing Cambodia’s children
The WHO and the Cambodian authorities’ announcement of the situation drew criticism from Richner, who said they were “causing unnecessary panic.”
The WHO said the unexplained nature of the outbreak obliged it to communicate the information.
Over the weekend, lab tests linked enterovirus 71 (EV71) to some of the cases. But the tests didn’t solve the whole puzzle and health officials continued their investigations, noting the detection of other elements like streptococcus suis and dengue.
The link to EV71 does not particularly help in the treatment of the illness, as there is no effective antiviral treatment for severe EV71 infections and no vaccine is available.
In milder cases, EV71 can cause coldlike symptoms, diarrhea and sores on the hands, feet and mouth, according to the journal Genetic Vaccines and Therapy. But more severe cases can cause fluid to accumulate on the brain, resulting in polio-like paralysis and death.
Outbreaks of the enterovirus “occur periodically in the Asia-Pacific region,” according to the CDC. Brunei had its first major outbreak in 2006. China had an outbreak in 2008.
Adults’ well-developed immune systems usually can fend off the virus, but children are vulnerable to it, according to the CDC.
“It looks like (EV71) has emerged strongly, probably because it hadn’t circulated with the same intensity in the past years,” Tarantola said.
Reported cases of streptococcus suis have risen significantly in recent years, notably in Southeast Asia, according to a paper that appeared last year in Emerging Infectious Diseases, a journal published by the Centers for Disease Control and Prevention in Atlanta.
The rainy season in Cambodia, which lasts from May to October, is a key problem in trying to control diseases like dengue. Because of a lack of indoor plumbing in many homes, people collect rainwater in vats, creating potential breeding grounds for mosquitoes.
In Cambodia, as with many places around the world, parents first try treating their child at home. If that doesn’t work, they typically then go to a local clinic. A hospital visit, which often involves a long trip, is a last resort.